3022764 - X12 ENGINE OIL LEAKS

A leak of engine oil can be seen with dripping and/or fouling of the engine
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Preliminarily carry out a visual inspect to locate the component or area which is leaking.If the visual inspection is not sufficient, wash the engine, dry it and cover the parts involved in talc: road test the vehicle to identify the leakContinue to Step 1 Leak from the drain plugContinue to Step 1
Leak from the sumpContinue to Step 2
Leak from the oil filterContinue to Step 3
Leak from the engine gasketsContinue to Step 4
Oil in the cooling circuitContinue to Step 5
1DRAIN PLUG CHECKAll OKProblems metOperation
Check the condition and the seal of the oil drain plugContinue to Step 2Tightening of drain plug not correctRestore the correct tightening
2OIL SUMP CHECKAll OKProblems metOperation

Check:

  • the condition of the oil sump;
  • the seal of the sealant between the sump and the crankcase
  • that the bolts fixing the sump are correctly tightened
Continue to Step 3Oil sump damaged or distortedReplace the oil sump Op.   1020A20 
Lack of sealant or tightening not correctRestore the correct tightening
3OIL FILTER CHECKAll OKProblems metOperation

Check:

  • the condition of the oil filter;
  • the seal and condition of the gasket
  • for 1.6 120 hp and 2.0 engines, condition of water-oil heat exchanger
Continue to Step 4Oil filter damaged or distortedReplace the oil filter and gasket Op. 1004B30
Heat exchanger with oil leaksReplace heat exchanger Op.   1084C10 
4ENGINE GASKETS CHECKAll OKProblems metOperation
Gain access to the crankshaft and camshaft oil sealsCheck the seal of these gasketsContinue to Step 5Crankshaft gaskets damagedReplace the gaskets involved
Camshaft gaskets damagedReplace the gaskets involved
5CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentFault persistsSearch for the fault starting from another symptom'